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    <title>BiliNote - AI驱动的视频笔记生成工具</title>
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    <!-- Hero Section -->
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            <div class="text-center">
                <h1 class="text-5xl md:text-7xl font-bold mb-6 serif-font">BiliNote</h1>
                <p class="text-xl md:text-2xl mb-8 opacity-90">AI驱动的视频笔记生成工具</p>
                <p class="text-lg max-w-3xl mx-auto mb-10 opacity-80">
                    从Bilibili、YouTube、抖音等平台的视频中自动提取关键内容，生成结构化的Markdown笔记，让学习更高效
                </p>
                <div class="flex flex-wrap justify-center gap-4">
                    <a href="https://github.com/JefferyHcool/BiliNote" target="_blank" class="bg-white text-purple-700 px-8 py-3 rounded-full font-semibold hover:bg-gray-100 transition-colors">
                        <i class="fab fa-github mr-2"></i>GitHub项目
                    </a>
                    <a href="https://www.bilinote.app/" target="_blank" class="bg-transparent border-2 border-white text-white px-8 py-3 rounded-full font-semibold hover:bg-white hover:text-purple-700 transition-all">
                        <i class="fas fa-globe mr-2"></i>在线体验
                    </a>
                </div>
            </div>
        </div>
    </section>

    <!-- Problem Section -->
    <section class="py-16 px-6 bg-white">
        <div class="max-w-5xl mx-auto">
            <h2 class="text-3xl md:text-4xl font-bold text-center mb-12 serif-font">
                <i class="fas fa-question-circle feature-icon mr-3"></i>它能解决什么问题
            </h2>
            <div class="prose prose-lg max-w-none">
                <p class="drop-cap text-gray-700 leading-relaxed">
                    在使用Bilibili或其他视频平台时，用户常常面临手动记笔记的痛点：视频内容丰富，但边看边记会导致分心，容易遗漏重要细节；长视频处理起来尤其繁琐，笔记往往零散、不易回顾；此外，跨平台视频笔记缺乏统一工具，增加了切换成本。这个工具就是来解决这些问题的，通过AI自动化总结和结构化输出，让笔记生成过程高效而有序。
                </p>
            </div>
            <div class="grid grid-cols-1 md:grid-cols-3 gap-6 mt-12">
                <div class="text-center card-hover p-6 rounded-lg bg-gray-50">
                    <i class="fas fa-clock text-4xl feature-icon mb-4"></i>
                    <h3 class="font-semibold text-xl mb-2">节省时间</h3>
                    <p class="text-gray-600">自动提取视频要点，无需手动暂停记录</p>
                </div>
                <div class="text-center card-hover p-6 rounded-lg bg-gray-50">
                    <i class="fas fa-brain text-4xl feature-icon mb-4"></i>
                    <h3 class="font-semibold text-xl mb-2">智能总结</h3>
                    <p class="text-gray-600">AI分析内容，生成结构化笔记</p>
                </div>
                <div class="text-center card-hover p-6 rounded-lg bg-gray-50">
                    <i class="fas fa-layer-group text-4xl feature-icon mb-4"></i>
                    <h3 class="font-semibold text-xl mb-2">多平台支持</h3>
                    <p class="text-gray-600">统一处理不同来源的视频内容</p>
                </div>
            </div>
        </div>
    </section>

    <!-- Core Features -->
    <section class="py-16 px-6 bg-gray-50">
        <div class="max-w-6xl mx-auto">
            <h2 class="text-3xl md:text-4xl font-bold text-center mb-12 serif-font">
                <i class="fas fa-star feature-icon mr-3"></i>核心功能概述
            </h2>
            <div class="grid grid-cols-1 md:grid-cols-2 gap-8">
                <div class="bg-white p-8 rounded-xl shadow-lg card-hover">
                    <div class="flex items-start mb-4">
                        <i class="fas fa-video text-2xl feature-icon mr-4 mt-1"></i>
                        <div>
                            <h3 class="text-xl font-bold mb-2">多平台视频支持</h3>
                            <p class="text-gray-600">兼容Bilibili、YouTube、抖音以及本地视频文件，用户无需切换工具即可处理不同来源的内容，这大大提高了笔记生成的灵活性，尤其适合跨平台学习者。</p>
                        </div>
                    </div>
                </div>
                <div class="bg-white p-8 rounded-xl shadow-lg card-hover">
                    <div class="flex items-start mb-4">
                        <i class="fas fa-robot text-2xl feature-icon mr-4 mt-1"></i>
                        <div>
                            <h3 class="text-xl font-bold mb-2">AI内容总结与Markdown生成</h3>
                            <p class="text-gray-600">利用GPT模型分析视频，提取核心要点并输出结构化Markdown笔记，包括时间戳链接，便于快速定位视频片段，实用性在于节省手动提炼时间。</p>
                        </div>
                    </div>
                </div>
                <div class="bg-white p-8 rounded-xl shadow-lg card-hover">
                    <div class="flex items-start mb-4">
                        <i class="fas fa-microphone text-2xl feature-icon mr-4 mt-1"></i>
                        <div>
                            <h3 class="text-xl font-bold mb-2">本地音频转录</h3>
                            <p class="text-gray-600">集成Fast-Whisper进行语音识别，支持可选CUDA加速，适用于无网络环境下的视频处理，帮助用户准确捕捉口语化内容。</p>
                        </div>
                    </div>
                </div>
                <div class="bg-white p-8 rounded-xl shadow-lg card-hover">
                    <div class="flex items-start mb-4">
                        <i class="fas fa-palette text-2xl feature-icon mr-4 mt-1"></i>
                        <div>
                            <h3 class="text-xl font-bold mb-2">笔记格式自定义</h3>
                            <p class="text-gray-600">允许用户选择笔记样式和模板，如添加截图或调整结构，满足个性化需求，提升笔记的可读性和专业性。</p>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <!-- Workflow Visualization -->
    <section class="py-16 px-6 bg-white">
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            <h2 class="text-3xl md:text-4xl font-bold text-center mb-12 serif-font">
                <i class="fas fa-project-diagram feature-icon mr-3"></i>工作流程图
            </h2>
            <div class="mermaid">
                graph LR
                    A[视频输入] --> B{平台识别}
                    B --> C[Bilibili]
                    B --> D[YouTube]
                    B --> E[抖音]
                    B --> F[本地文件]
                    C --> G[视频下载]
                    D --> G
                    E --> G
                    F --> G
                    G --> H[音频提取]
                    H --> I[语音识别]
                    I --> J[AI分析]
                    J --> K[生成Markdown]
                    K --> L[输出笔记]
                    
                    style A fill:#667eea,stroke:#fff,color:#fff
                    style L fill:#764ba2,stroke:#fff,color:#fff
                    style J fill:#9f7aea,stroke:#fff,color:#fff
            </div>
        </div>
    </section>

    <!-- Use Cases -->
    <section class="py-16 px-6 bg-gray-50">
        <div class="max-w-5xl mx-auto">
            <h2 class="text-3xl md:text-4xl font-bold text-center mb-12 serif-font">
                <i class="fas fa-lightbulb feature-icon mr-3"></i>使用场景
            </h2>
            <div class="space-y-8">
                <div class="bg-white p-8 rounded-xl shadow-lg">
                    <h3 class="text-2xl font-bold mb-4 gradient-text">学生学习</h3>
                    <p class="text-gray-700 leading-relaxed">
                        对于一名大学生在Bilibili上观看编程教程视频，该工具能自动生成带代码片段和时间链接的笔记，帮助快速复习难点，避免手动暂停记述的低效。
                    </p>
                </div>
                <div class="bg-white p-8 rounded-xl shadow-lg">
                    <h3 class="text-2xl font-bold mb-4 gradient-text">学术研究</h3>
                    <p class="text-gray-700 leading-relaxed">
                        研究人员分析YouTube上的学术讲座：上传视频后，AI总结关键论点并插入截图，形成报告级笔记，缩短从视频到文档的转化时间。
                    </p>
                </div>
                <div class="bg-white p-8 rounded-xl shadow-lg">
                    <h3 class="text-2xl font-bold mb-4 gradient-text">内容创作</h3>
                    <p class="text-gray-700 leading-relaxed">
                        内容创作者在抖音短视频中收集灵感，BiliNote支持批量处理本地文件，生成汇总笔记，便于后续编辑脚本或brainstorm会议分享。
                    </p>
                </div>
            </div>
            <div class="mt-12 p-8 bg-purple-100 rounded-xl">
                <p class="text-lg text-center text-purple-800 font-medium">
                    <i class="fas fa-question-circle mr-2"></i>
                    你是否想过，如果在日常学习中引入这样的自动化工具，能否将笔记时间从小时级缩短到分钟级？
                </p>
            </div>
        </div>
    </section>

    <!-- Advantages -->
    <section class="py-16 px-6 bg-white">
        <div class="max-w-5xl mx-auto">
            <h2 class="text-3xl md:text-4xl font-bold text-center mb-12 serif-font">
                <i class="fas fa-trophy feature-icon mr-3"></i>优势与特色
            </h2>
            <div class="grid grid-cols-1 md:grid-cols-2 gap-8 mb-12">
                